Ukraine supporters gather in Phoenix Saturday to show support for the country as negotiations to end the war with Russia continue. Monday marks three years since the Russian invasion of Ukraine.

Russian President Vladimir Putin said Thursday that Russia agrees in principle with the U.S. ceasefire proposal, but the terms need to be worked out.

Phoenix Mercury star Brittney Griner opened up about her detention in a Russian jail that lasted months for the first time on ABC's "20/20." The detention happened as a result of her arrest over ...